* native 4byte tracer

* Update eth/tracers/native/4byte.go
Co-authored-by: Martin Holst Swende <martin@swende.se>

* Update eth/tracers/native/4byte.go
Co-authored-by: Martin Holst Swende <martin@swende.se>

* goimports

* eth/tracers: make 4byte tracer not care about create
Co-authored-by: Martin Holst Swende <martin@swende.se>